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File Activity Ratio

Written By Unknown on Minggu, 09 Desember 2012 | 01.05


File Activity Ratio
Banyaknya record pada master file yang di-update dibagi dengan banyaknya record pada master file.

Contoh 1 :
Transaction
101     Bimo              75
102     Amalia            70
103     Seno               60

Master File
101     Bimo Jl. A      50
102     Seno Jl. C      30
103     Henni Jl. Z     50
104     Pandu Jl. D    70

File Activity Ratio = (1 + 1) / 4 = 0.5

Contoh 2 :
Master            Trans – Type
101                      101                             1
102                      103                             2                                  1 : Delete
103                      105                             1                                  2 : Insert
104                      107                             3                                  3 : Modify
    101                             2        

File Activity Ratio = 1/4

Contoh :
Sebuah master file berisi 10 record. Transaksi yang akan diproses adalah sebagai berikut :

Master            Trans – Type
111                             2
111                             1                      1 : Delete
96                                3                      2 : Insert
400                             1                      3 : Modify
96                                1
111                             2
400                             3
342                             3
96                                2

File Activity Ratio = 4/10 = 0,4


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